Paul Menage wrote: > From: Ben Blum <bblum@xxxxxxxxxx> > > > Adds ability to move all threads in a process to a new cgroup atomically > > This patch adds functionality that enables users to move all threads in a > threadgroup at once to a cgroup by writing the tgid to the 'cgroup.procs' > file. This current implementation makes use of a per-threadgroup rwsem that's > taken for reading in the fork() path to prevent newly forking threads within > the threadgroup from "escaping" while the move is in progress. > > Cgroups subsystems that need to perform per-thread actions in their > "attach" callback are (currently) responsible for doing their own > synchronization, since this occurs outside of the critical section > that locks against cloning within a thread group. > > Signed-off-by: Ben Blum <bblum@xxxxxxxxxx> > Signed-off-by: Paul Menage <menage@xxxxxxxxxx> > Acked-by: Li Zefan <lizf@xxxxxxxxxxxxxx> _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
